Finding the Fourth Proportional to 223,657.64, 335,475.60 and 83,405.36
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Solution
The fourth proportional to 223,657.64, 335,475.60 and 83,405.36 is: 125,103.99
Step by Step Solution
- Step 1: Write the proportion equation
223,657.64 : 335,475.60 = 83,405.36 : x - Step 2: Convert to fraction form
223,657.64/335,475.60 = 83,405.36/x - Step 3: Cross multiply
223,657.64x = 335,475.60 × 83,405.36 - Step 4: Simplify right side
223,657.64x = 27,980,463,189.22 - Step 5: Solve for x
x = 27,980,463,189.22/223,657.64 - Step 6: Final answer
x = 125,103.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.